package com.webserver.core;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;

/**
 * 线程任务
 * 负责与特定的客户端进行HTTP交互。
 */
public class ClientHandler implements Runnable{
    private Socket socket;

    public ClientHandler(Socket socket){
        this.socket = socket;
    }

    @Override
    public void run() {
        //1解析请求
        try {
            InputStream in = socket.getInputStream();
            StringBuilder builder = new StringBuilder();
            char cur = 'a';//保存本次读取到的字符
            char pre = 'a';//保存上次读取到的字符
            int d;
            while ((d = in.read()) != -1){
                cur = (char)d;//本次读取到的字符
                if(pre == 13 && cur == 10){
                    break;
                }
                builder.append(cur);
                pre = cur;//下次循环前将本次读取到的字符记为上次读取到的字符
            }
            String line = builder.toString().trim();
            System.out.println("请求行："+line);
            //请求行相关信息
            String method;  //请求方式
            String uri;     //抽象路径
            String protocol;//协议版本
            String[] data = line.split("\\s");
            method = data[0];
            uri = data[1];
            protocol = data[2];
            System.out.println("method:"+method);
            System.out.println("uri:"+uri);
            System.out.println("protocol:"+protocol);

            //2处理请求
            //3发送响应
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                //响应后断开连接
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}
